State Grid Corp of China (State Grid), founded on Dec 29, 2002, is a State-owned enterprise that builds and operates power grids to provide electricity to 26 provinces, autonomous regions and municipalities, covering 88 percent of the country.

State Grid is China's largest power grid operator, ranked No 8 among global Fortune 500 companies this year with $184.5 billion in revenues.

The company has a registered capital of 200 billion yuan and 1.5 million employees.

By the end of 2009, State Grid had 56 wholly-owned or controlling subsidiary companies, and total assets were 1.8 trillion yuan.